Tanousia
Encyclopedia
Tanousia is an extinct genus
of freshwater snail
s with gill
s and an operculum
, a gastropod mollusk in the family Lithoglyphidae
.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of freshwater snail
Freshwater snail
A freshwater snail is one kind of freshwater mollusc, the other kind being freshwater clams and mussels, i.e. freshwater bivalves. Specifically a freshwater snail is a gastropod that lives in a watery non-marine habitat. The majority of freshwater gastropods have a shell, with very few exceptions....
s with gill
Gill
A gill is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water, afterward excreting carbon dioxide. The gills of some species such as hermit crabs have adapted to allow respiration on land provided they are kept moist...
s and an operculum
Operculum (gastropod)
The operculum, meaning little lid, is a corneous or calcareous anatomical structure which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails...
, a gastropod mollusk in the family Lithoglyphidae
Lithoglyphidae
Lithoglyphidae is a family of small freshwater snails with gills and an operculum, aquatic gastropod mollusks.This family is in the superfamily Rissooidea and in the clade Littorinimorpha .- Taxonomy :Taylor , Ponder & Warén and Kabat & Hershler considered this taxon as a subfamily...
.
Species
Species within the genus Tanousia include:- Tanousia arminiensis (Jekelius, 1932)
- Tanousia krasnenkovi Kondrashov, 2007 - from the Middle Pleistocene
- Tanousia lithoglyphoides (Girotti, 1972)
- Tanousia runtonianaTanousia runtonianaTanousia runtoniana is an extinct European species of freshwater snail with gills and an operculum, a gastropod mollusk in the family Lithoglyphidae.- Further reading :...
(Sandberger, 1880) - Tanousia schlickumi Schütt, 1976
- Tanousia stenostomaTanousia stenostomaTanousia stenostoma is an extinct European species of freshwater snail with gills and an operculum, a gastropod mollusk in the family Lithoglyphidae.- Further reading :...
(Nordmann, 1901) - Tanousia subovata (Settepassi & Verdel, 1965)
- Tanousia zrmanjae (Brusina, 1866)